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Did the superlux hd681 detachable cable mod based on a recommendation from a friend and reading on this sub, any other cool audio mods that are recommended? : r/headphones
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Superlux HD 681 and HD 668B Headphone Review - YouTube
Superlux HD-681 Professional Semi-Open Studio Headphones HD-681
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Superlux HD-681 Evo BK – Thomann Portuguesa
Superlux HD-681 B – Thomann Portuguesa
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Superlux HD 681 - Reviews | Headphone Reviews and Discussion - Head-Fi.org
Superlux HD 681 | Headphone Reviews and Discussion - Head-Fi.org
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Superlux HD 681 Studio Headphone Review - Sonarworks Blog